Finding the Fourth Proportional to 82,283.70, 115,352.70 and 82,283.70
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Solution
The fourth proportional to 82,283.70, 115,352.70 and 82,283.70 is: 115,352.70
Step by Step Solution
- Step 1: Write the proportion equation
82,283.70 : 115,352.70 = 82,283.70 : x - Step 2: Convert to fraction form
82,283.70/115,352.70 = 82,283.70/x - Step 3: Cross multiply
82,283.70x = 115,352.70 × 82,283.70 - Step 4: Simplify right side
82,283.70x = 9,491,646,960.99 - Step 5: Solve for x
x = 9,491,646,960.99/82,283.70 - Step 6: Final answer
x = 115,352.70
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.